The Microsoft Store now allows you to use your own payment processing to avoid giving them a cut at all (https://blogs.windows.com/windowsexperience/2021/06/24/

The Microsoft Store now allows you to use your own payment processing to avoid giving them a cut at all (https://blogs.windows.com/windowsexperience/2021/06/24/building-a-new-open-microsoft-store-on-windows-11/ https://blogs.windows.com/windowsexperience/2021/06/24/build...). They also allow the installation of other app stores. Microsoft has been overly keen to open up their own store on Windows to use as a cudgel against Apple in future courtroom cases such as the Epic one.